| Commit message (Collapse) | Author | Age |
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Remove the end address checking for initda function. We need to invalidate
each address line for initda instruction, from start to end address.
Signed-off-by: Ley Foon Tan <lftan@altera.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux
Pull blackfin updates from Steven Miao.
* tag 'blackfin-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux:
eth: bf609 eth clock: add pclk clock for stmmac driver probe
blackfin: Wire up missing syscalls
arch: blackfin: kernel: kgdb: Remove unused function
dma: fix build error after update to v3.19
blackfin: io: define __raw_readx/writex with bfin_readx/writex
bf609: add resources for lcd nl8048
pm: sometimes wake up from suspend to RAM would fail
debug-mmrs: Eliminate all traces of the USB_PHY_TEST MMR
bf609: remove softswitch i2c configuration from adv7842 and adv7511 platform data
bf609: add platform data for soft switch devices on the video extenders
bf609: enable soft switch gpio driver by default
bf609: add gpio soft switch platform data for mcp23017 i2c devices
bf609: use new SND_BF6XX_PCM to choose audio pcm driver
bug[220] kgdb: change the smp cross core function entry
arch: blackfin: kernel: setup.c: Cleaning up missing null-terminate in conjunction with strncpy
blackfin: defconfigs: cleanup unused CONFIG_MTD_CHAR, add MTD_SPI_NOR for BF537-STAMP
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Signed-off-by: Steven Miao <realmz6@gmail.com>
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The related syscalls are below which may cause samples/kdbus building
break in next-20150401 tree, the related information and error:
CALL scripts/checksyscalls.sh
<stdin>:1223:2: warning: #warning syscall kcmp not implemented [-Wcpp]
<stdin>:1226:2: warning: #warning syscall finit_module not implemented [-Wcpp]
<stdin>:1229:2: warning: #warning syscall sched_setattr not implemented [-Wcpp]
<stdin>:1232:2: warning: #warning syscall sched_getattr not implemented [-Wcpp]
<stdin>:1235:2: warning: #warning syscall renameat2 not implemented [-Wcpp]
<stdin>:1238:2: warning: #warning syscall seccomp not implemented [-Wcpp]
<stdin>:1241:2: warning: #warning syscall getrandom not implemented [-Wcpp]
<stdin>:1244:2: warning: #warning syscall memfd_create not implemented [-Wcpp]
<stdin>:1247:2: warning: #warning syscall bpf not implemented [-Wcpp]
<stdin>:1250:2: warning: #warning syscall execveat not implemented [-Wcpp]
[...]
HOSTCC samples/kdbus/kdbus-workers
samples/kdbus/kdbus-workers.c: In function ‘prime_new’:
samples/kdbus/kdbus-workers.c:930:18: error: ‘__NR_memfd_create’ undeclared (first use in this function)
p->fd = syscall(__NR_memfd_create, "prime-area", MFD_CLOEXEC);
^
samples/kdbus/kdbus-workers.c:930:18: note: each undeclared identifier is reported only once for each function it appears in
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
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Remove the function kgdb_post_primary_code() that is not used anywhere.
This was partially found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Acked-by: Sonic Zhang <sonic.zhang@analog.com>
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Signed-off-by: Steven Miao <realmz6@gmail.com>
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Signed-off-by: Steven Miao <realmz6@gmail.com>
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Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Steven Miao <realmz6@gmail.com>
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Sometimes it fails to wake up from suspend to RAM, this is because
we would flush the data cache by assemble command FLUSHINV before
suspend to RAM, and there is a delay between this command execution
and cache flush completion. Add a 1uS delay to works around this.
Signed-off-by: Aaron Wu <Aaron.wu@analog.com>
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Interacting with the USB_PHY_TEST MMR through debugfs was causing wide-spread
chaos in the realm (kernel panic). Expunge all references to this demonic
register.
Signed-off-by: Andre Wolokita <Andre.Wolokita@analog.com>
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data
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
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Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
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Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
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Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
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There is a new bf6xx audio dma driver, so we don't reuse
bf5xx i2s pcm driver again.
Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
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Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
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conjunction with strncpy
Replacing strncpy with strlcpy to avoid strings that lacks null terminate.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Steven Miao <realmz6@gmail.com>
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BF537-STAMP
Signed-off-by: Steven Miao <realmz6@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag
Pull Metag architecture updates from James Hogan:
"Just the one change for v4.1-rc1. A minor cleanup of copy_thread()"
* tag 'metag-for-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag:
metag: copy_thread(): rename 'arg' argument to 'kthread_arg'
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The 'arg' argument to copy_thread() is only ever used when forking a new
kernel thread. Hence, rename it to 'kthread_arg' for clarity.
Signed-off-by: Alex Dowad <alexinbeijing@gmail.com>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
- perf fixes/improvements
- misc cleanups
* tag 'arc-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: perf: don't add code for impossible case
ARC: perf: Rename DT binding to not confuse with power mgmt
ARC: perf: add user space attribution in callchains
ARC: perf: Add kernel callchain support
ARC: perf: support cache hit/miss ratio
ARC: perf: Add some comments/debug stuff
ARC: perf: make @arc_pmu static global
ARC: mem init spring cleaning - No functional changes
ARC: Fix RTT boot printing
ARC: fold __builtin_constant_p() into test_bit()
ARC: rename unhandled exception handler
ARC: cosmetic: Remove unused ECR bitfield masks
ARC: Fix WRITE_BCR
ARC: [nsimosci] Update defconfig
arc: copy_thread(): rename 'arg' argument to 'kthread_arg'
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Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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The actual user space unwinding is more involved, so simply capture the
user space PC
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Signed-off-by: Mischa Jonker <mjonker@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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This makes test_bit() more like its siblings *_bit() routines.
Also add some comments about the constant @nr micro-optimization
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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* There was obvious bit rot due to lack of use
* Old naming was confusing since BCR are read only
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Signed-off-by: Mischa Jonker <mjonker@synopsys.com>
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The 'arg' argument to copy_thread() is only ever used when forking a new
kernel thread. Hence, rename it to 'kthread_arg' for clarity.
Signed-off-by: Alex Dowad <alexinbeijing@gmail.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Commit cae2a173fe94 ("x86: clean up/fix 'copy_in_user()' tail zeroing")
fixed the failure case tail zeroing of one special case of the x86-64
generic user-copy routine, namely when used for the user-to-user case
("copy_in_user()").
But in the process it broke an even more unusual case: using the user
copy routine for kernel-to-kernel copying.
Now, normally kernel-kernel copies are obviously done using memcpy(),
but we have a couple of special cases when we use the user-copy
functions. One is when we pass a kernel buffer to a regular user-buffer
routine, using set_fs(KERNEL_DS). That's a "normal" case, and continued
to work fine, because it never takes any faults (with the possible
exception of a silent and successful vmalloc fault).
But Jan Beulich pointed out another, very unusual, special case: when we
use the user-copy routines not because it's a path that expects a user
pointer, but for a couple of ftrace/kgdb cases that want to do a kernel
copy, but do so using "unsafe" buffers, and use the user-copy routine to
gracefully handle faults. IOW, for probe_kernel_write().
And that broke for the case of a faulting kernel destination, because we
saw the kernel destination and wanted to try to clear the tail of the
buffer. Which doesn't work, since that's what faults.
This only triggers for things like kgdb and ftrace users (eg trying
setting a breakpoint on read-only memory), but it's definitely a bug.
The fix is to not compare against the kernel address start (TASK_SIZE),
but instead use the same limits "access_ok()" uses.
Reported-and-tested-by: Jan Beulich <jbeulich@suse.com>
Cc: stable@vger.kernel.org # 4.0
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"These fix an ia64 regression caused by tighter resource checking we
merged during the merge window and remove an invalid email address
from MAINTAINERS.
Resource management:
- ia64: Treat all Address Space Descriptors as windows (Bjorn Helgaas)
Miscellaneous:
- MAINTAINERS: Remove Mohit Kumar (email bounces) (Bjorn Helgaas)"
* tag 'pci-v4.1-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
ia64/PCI: Treat all host bridge Address Space Descriptors (even consumers) as windows
MAINTAINERS: Remove Mohit Kumar (email bounces)
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as windows
Prior to c770cb4cb505 ("PCI: Mark invalid BARs as unassigned"), if we tried
to claim a PCI BAR but could not find an upstream bridge window that
matched it, we complained but still allowed the device to be enabled.
c770cb4cb505 broke devices that previously worked (mptsas and igb in the
case Tony reported, but it could be any devices) because it marks those
BARs as IORESOURCE_UNSET, which makes pci_enable_device() complain and
return failure:
igb 0000:81:00.0: can't enable device: BAR 0 [mem size 0x00020000] not assigned
igb: probe of 0000:81:00.0 failed with error -22
The underlying cause is an ACPI Address Space Descriptor for a PCI host
bridge window that is marked as "consumer". This is a firmware defect:
resources that are produced on the downstream side of a bridge should be
marked "producer". But rejecting these BARs that we previously allowed is
a functionality regression, and firmware has not used the producer/consumer
bit consistently, so we can't rely on it anyway.
Stop checking the producer/consumer bit, and assume all bridge Address
Space Descriptors are for bridge windows.
Note that this change does not affect I/O Port or Fixed Location I/O Port
Descriptors, which are commonly used for the [io 0x0cf8-0x0cff] config
access range. That range is a "consumer" range and should not be treated
as a window.
Fixes: c770cb4cb505 ("PCI: Mark invalid BARs as unassigned")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=96961
Reported-and-tested-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Pull watchdog updates from Wim Van Sebroeck:
"This contains following changes:
- Octeon: convert to watchdog-API and apply some fixes
- Cadence wdt: remove dependency on ARCH
- add DT bindings for qcom + msm
- bcm281xx: Remove use of seq_printf return value
- stmp3xxx_rtc_wdt + pnx4008_wdt: fix broken email addresses"
* git://www.linux-watchdog.org/linux-watchdog:
watchdog: stmp3xxx_rtc_wdt: fix broken email address
watchdog: pnx4008_wdt: fix broken email address
watchdog: octeon: use fixed length string for register names
watchdog: octeon: fix some trivial coding style issues
watchdog: octeon: convert to WATCHDOG_CORE API
watchdog: cadence: Remove Kconfig dependency on ARCH
ARM: msm: add watchdog entries to DT timer binding doc
ARM: qcom: add description of KPSS WDT for IPQ8064
watchdog: qcom: use timer devicetree binding
watchdog: bcm281xx: Remove use of seq_printf return value
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Add the watchdog related entries to the Krait Processor Sub-system
(KPSS) timer IPQ8064 devicetree section. Also, add a fixed-clock
description of SLEEP_CLK, which will do for now.
Signed-off-by: Josh Cartwright <joshc@codeaurora.org>
Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull virtio updates from Rusty Russell:
"Some virtio internal cleanups, a new virtio device "virtio input", and
a change to allow the legacy virtio balloon.
Most excitingly, some lguest work! No seriously, I got some cleanup
patches"
* tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
virtio: drop virtio_device_is_legacy_only
virtio_pci: support non-legacy balloon devices
virtio_mmio: support non-legacy balloon devices
virtio_ccw: support non-legacy balloon devices
virtio: balloon might not be a legacy device
virtio_balloon: transitional interface
virtio_ring: Update weak barriers to use dma_wmb/rmb
virtio_pci_modern: switch to type-safe io accessors
virtio_pci_modern: type-safe io accessors
lguest: handle traps on the "interrupt suppressed" iret instruction.
virtio: drop a useless config read
virtio_config: reorder functions
Add virtio-input driver.
lguest: suppress interrupts for single insn, not range.
lguest: simplify lguest_iret
lguest: rename i386_head.S in the comments
lguest: explicitly set miscdevice's private_data NULL
lguest: fix pending interrupt test.
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The last patch reduced our interrupt-suppression region to one address,
so simplify the code somewhat.
Also, remove the obsolete undefined instruction ranges and the comment
which refers to lguest_guest.S instead of head_32.S.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
CC: lguest@lists.ozlabs.org
CC: x86@kernel.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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i386_head.S renamed to the head_32.S, let's update it in
the comments too.
Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Denys says:
TEST with zero will always set ZF. Thus, "jnz send_interrupts" never jumps.
We get interrupts regularly enough that this didn't cause immediate problems.
Reported-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late changes from Olof Johansson:
"We were expecting to sit on this branch through most of the merge
window since the contents was merged into our tree late, but we ended
up sitting on all of our contents so it can go in with the rest.
The contents here is:
- a large branch of cleanups of the CM/PRM blocks on OMAP.
- a couple of patches plumbing up CM/PRM on OMAP5 and DRA7.
- a branch with DT updates for Freescale i.MX. including some
shuffling from .dts to .dtsi (include) files that causes a little
churn"
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (78 commits)
ARM: OMAP2+: Fix booting with configs that don't have MFD_SYSCON
ARM: OMAP4+: control: add support for initializing control module via DT
ARM: dts: dra7: add minimal l4 bus layout with control module support
ARM: dts: omap5: add minimal l4 bus layout with control module support
ARM: OMAP4+: control: remove support for legacy pad read/write
ARM: OMAP4: display: convert display to use syscon for dsi muxing
ARM: dts: omap4: add minimal l4 bus layout with control module support
ARM: dts: am4372: add minimal l4 bus layout with control module support
ARM: dts: am43xx-epos-evm: fix pinmux node layout
ARM: dts: am33xx: add minimal l4 bus layout with control module support
ARM: dts: omap3: add minimal l4 bus layout with control module support
ARM: dts: omap24xx: add minimal l4 bus layout with control module support
ARM: OMAP2+: control: add syscon support for register accesses
ARM: OMAP2+: id: cache omap_type value
ARM: OMAP2+: control: remove API for getting control module base address
ARM: OMAP2+: clock: add low-level support for regmap
ARM: OMAP4+: PRM: get rid of cpu_is_omap44xx calls from interrupt init
ARM: OMAP4+: PRM: setup prm_features from the PRM init time flags
ARM: OMAP2+: CM: move SoC specific init calls within a generic API
ARM: OMAP4+: PRM: determine prm_device_inst based on DT compatibility
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/late
Merge "urgent omap boot fix for v4.1 if MFD_SYSCON is not set" from Tony
Lindgren:
Urgent pull request for v4.1 to booting for custom kernel
.config files that do not have MFD_SYSCON set.
Omaps now have a dependency to MFD_SYSCON for system control
module generic register area and some clocks with the changes
done in omap-for-v4.1/prcm-dts branch.
This can be pulled on top of omap-for-v4.1/prcm-dts, or into
fixes for v4.1.
We already do have a slight MFD_SYSCON dependency for
REGULATOR_PBIAS for dual voltage MMC cards on the first MMC
bus for many devices, so from that point of view this can
also be merged separately from omap-for-v4.1/prcm-dts.
* tag 'omap-for-v4.1/prcm-dts-mfd-syscon-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Fix booting with configs that don't have MFD_SYSCON
Signed-off-by: Olof Johansson <olof@lixom.net>
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With the recent changes omaps have developed a dependency to MFD_SYSCON.
This is used for system control module generic register area and some
clocks.
We do have it selected in omap2plus_defconfig, but targeted config
files may not have it selected. Let's make sure it's selected like
few other ARM platforms are already doing.
Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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As pointed out by Stephen Rothwell, commit e52117638b79 ("ARM: dts:
omap3: Add DT entries for OMAP 3 ISP") conflicts with b8845074cfbb
("ARM: dts: omap3: add minimal l4 bus layout with control module support")
in non-obvious ways, causing a build failure when both patches
are present.
This merges the two branches that introduce the respective changes
into the next/late branch to resolve the way that Stephen suggested,
as confirmed by Tony.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lkml.org/lkml/2015/4/6/436
Acked-by: Tony Lindgren <tony@atomide.com>
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